Whats y is two if one angle is 79 and the other one is 37

Atoy company is considering a cube or sphere-shaped container for packaging a new product. the height of the cube would equal the diameter of the sphere . compare the volume to surface area ratios of the containers. which packaging will be more efficient? for a sphere, sa =4πr²

What is the reflection image of (5,-3) across the line y = -x?

Solve: 3x+y=6 4x-2y=18 show all work !